| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 0-4-0WT | 18" | John Knowles | Leeds Industrial Museum at Armley Mills, Armley Mills, ENG | operational | Hunslet Engine Co. #684, 1898 | Named Jack. | ||
| 18 | 0-4-0WT | 4'-8½" | Londonderry Railway | Beamish Museum, Beamish, ENG | operational | Lewin's Engineering Works #683, 1877 | ||
| 15 | 0-4-0WT | 24" | Penrhyn Quarry Railway (Durham County Water Board) | Beamish Museum, Beamish, ENG | display | Andrew Barclay Sons & Co. #1994, 1931 | Named Glyder. Moved from the Tony Hulman estate, Terre Haue, IN in 2012. | |
| 0-4-0WT | 24" | Rio Negro Dam | Devon Railway Centre, Bickleigh, ENG | operational | Orenstein & Koppel #5744, 1912 | |||
| 1 | 0-4-0WT | 4'-8½" | Beckton Gasworks | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Neilson Reid & Co. #1561, 1870 | ||
| D249 | 0-4-0WT | 4'-8½" | Fairfield-Mabey | Flour Mill Ltd, Bream, ENG | private operational | Kerr, Stuart & Co. (Stoke on Trent) #3063, 1918 | Named Willy. | |
| 1 | 0-4-0WT | 24" | Norddeutsche Affinerie | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Berliner Maschinenbau #9124, 1927 | Named Bronhilde. | |
| 6 | 0-4-0WT | 24" | Penrhyn Quarry Railway | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Orenstein & Koppel #5668, 1912 | Named Eigiau. | |
| 3 | BM 1-3 | 0-4-0WT | 36" | Bord na Mona | Giant's Causeway & Bushmills Railway, Bushmills, NRL | stored | Andrew Barclay Sons & Co. #2265, 1949 | Named Shane. |
| 1 | 0-4-0WT | 4'-8½" | Beckton Gas Works | Preston Steam Services, Canterbury, ENG | stored | Neilson Reid & Co. #4444, 1892 | For sale. | |
| 0-4-0WT | 4'-8½" | National Coal Board | National Museum of Scotland, Edinburgh, SCT | display | Hawthorn of Leith #244, 1861 | Named Ellesmere. | ||
| 21 (34) | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | operational | Orenstein & Koppel #6641, 1913 | Named Montalban. | |
| 22 (35) | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | operational | Orenstein & Koppel #2378, 1907 | Named Utrillas. | |
| 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #20, 2004 | Replica, named Ant. | ||
| 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #21, 2004 | Replica, named Bee. | ||
| 11 | 0-4-0WT | 24" | Solvay Alkai Works | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Orenstein & Koppel #5834, 1912 | Named P.C. Allen. | |
| 2 (LM 44) | BM 1-3 | 0-4-0WT | 36" | Bord na Mona | Stradbally Woodland Railway, Stradbally, IRL | operational | Andrew Barclay Sons & Co. #2264, 1949 | Run by the Irish Steam Preservation Society. |
| 0-4-0WT | 24" | Richmond Light Railway, Sutton Valence, ENG | private operational | Arnold Jung Lokomotivfabrik #3175, 1921 | Named Jenny. | |||
| 0-4-0WT | 32" | Furzebrook Tramway | Swanage Railway, Swanage, ENG | display | Belliss & Seekings, 1874 | Named Secundus. | ||
| 0-4-0WT | 22¾" | Penrhyn Quarry Railway (Durham County Water Board) | Statfold Barn Railway, Tamworth, ENG | operational | Andrew Barclay Sons & Co. #1991, 1931 | Named Cegin. From Bangor, North Wales, then Chickamauga, GA, then Manati, Puerto Rico. | ||
| 2 | 0-4-0WT | 27" | Talyllyn Railway | Talyllyn Railway, Tywyn, WAL | operational | Fletcher, Jennings & Co. #63, 1866 | Named Dolgoch. | |
| 6 | 0-4-0WT | 27" | Talyllyn Railway (Airservice Construction Corps) | Talyllyn Railway, Tywyn, WAL | operational | Andrew Barclay Sons & Co. #1431, 1918 | Named Douglas. |